<!DOCTYPE html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="https://cdn.jsdelivr.net/npm/echarts@5.4.0/dist/echarts.js"></script>
    <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
    <title>Document</title>
</head>

<body>
<div id="main" style="width: 600px;height:400px;"></div>
<script>
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'));

    $.get('/bar').done(function (resp) {
        var respData=resp.data;
        // data 的结构:
        // {
        //     categories: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"],
        //     values: [5, 20, 36, 10, 10, 20]
        // }
        myChart.setOption({
            title: {
                text: '商品销量'
            },
            tooltip: {},
            legend: {},
            xAxis: {
                data: respData.categories
            },
            yAxis: {},
            series: [
                {
                    name: '销量',
                    type: 'bar',
                    data: respData.values
                }
            ]
        });
    });
</script>
</body>

</html>